Despite the progress of IT tools, carrying out a sociological survey, that is to say questioning people about their opinions, their practices, their situation, their past, etc., remains an operation that is often costly in terms of time and resources. And there is a great risk for those who do so of being then drowned in the mass of data collected. Fortunately, there are effective methods of conducting a survey count and not being satisfied with the superficial results provided by simply examining the distribution of responses. This book presents in an educational way several advanced methods of statistical analysis of survey data, in particular the factorial analysis of correspondences and logistic regression, which, by using software which is now increasingly easy to use, allow '' exploit the data in depth. |